Memories of libraries and, oh no, report cards. Such a wonderful shape. The basic sleeve - slide our inside for an invitation. Call it navy but look closer, it is really more sophisticated, more complex, more developed. Decorate with paper, photos, ribbon, or rubberstamps. Fits into our . Click "alternative view" to see how this enclosure can be used and embellished. Size: 5" x 7" Sold in packs of 10. When designing, remember that darker colors may rub off on lighter colors. Consider using a layer (such as tissue) between the different colors.